Schistura yersini

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Schistura yersini Freyhof & Serov 2001

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Schistura yersini
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Cypriniformes (Carps) > Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335);  yersini: Named for the famour Swiss biologist and humanist Alexandre Yersin who spends much of his life in southern Viet Nam, especially around Dalat where this species was collected.  More on authors: Freyhof & Serov.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的.   熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: River Dong Nai and River Srepok in the mountains around Dalat, Vietnam.
亞洲: 越南。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 95537)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 12; 臀鰭軟條: 8. Differs from its congeners in Indochina by the combination of the following characters: wide median incision in upper lip; distance between anus and anal fin origin 2.6-3.8 eye diameter; pelvic fin clearly reaching beyond anus; caudal fin deeply emarginate; body with 7-11 dark bars, wider than interspaces, regularly shaped and set, meeting their homologues on back; black bar at caudal-fin base complete, reaching dorsal and ventral midlines (Ref. 40772).
在印度支那有別於其他本屬的種藉由下列特徵的組合: 在上嘴唇中的寬中央的切口; 肛門與臀鰭起源 2.6-3.8 眼直徑之間的距離; 清楚地超過肛門的腹鰭; 尾鰭邊緣深凹; 身體有 7-11 深色的橫帶,比間隙寬, 經常形狀與組, 碰到他們的同系物背面; 在尾鰭基底的黑色橫帶完全的, 達到背部與腹的中線.(參考文獻 40772)

生物學特性     字彙 (例如 epibenthic)

Abundant in streams and rivers with gravel or rocky substrate and high water velocities (Ref. 40772). Resistant to organic pollution and can survive in streams that flow through villages and towns and exhibit strong signs of human perturbation (Ref. 40772). Most abundant in riffles and rapids with current velocities more than 1 m/s below the surface (Ref. 40772). Found in small high gradient rivers and small mountain streams, as well (Ref. 40772). Often associated with Poropuntius sp., Annamia normani, Schistura dalatensis and Glyptothorax laosensis (Ref. 40772).

豐富的在溪流與河川中、底部為砂礫石或岩石且水流快速的地方.(參考文獻 40772) 對有機污染有抵抗性而且在流過村莊與城鎮,而且被人類強烈擾亂的溪流中能存活.(參考文獻 40772) 在表面之下的最豐富在急流與急流以水流速度超過 1個公尺/秒.(參考文獻 40772) 發現於高落差的小型河川與小的山地溪流了, 也。 (參考文獻 40772) 時常伴隨著 Poropuntius sp. , Annamia normani Schistura dalatensis 老撾紋胸鮡〔Glyptothorax laosensis〕 .(參考文獻 40772)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

亞洲: 越南。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Freyhof, J. and D.V. Serov, 2001. Nemacheiline loaches from Central Vietnam with descriptions of a new genus and 14 new species (Cypriniformes: Balitoridae). Ichthyol. Explor. Freshwat. 12(2):133-191. (Ref. 40772)

IUCN 瀕危狀態 (Ref. 123251)

  資料不足 (DD) ; Date assessed: 04 September 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00268 - 0.01487), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (16 of 100) .